Module Name: src
Committed By: christos
Date: Thu Sep 29 21:46:32 UTC 2016
Modified Files:
src/sys/kern: tty.c
Log Message:
Only allow root to use TIOCSTI. Don't eat the kauth error number.
It is unexpected for an unprivileged process to gain privs by
typing to root's tty:
$ cat installer
#!/bin/sh
whoami
/usr/sbin/sti /dev/tty whoami\\n
$ su unprivileged -c ./installer
unprivileged
$ whoami
root
To generate a diff of this commit:
cvs rdiff -u -r1.271 -r1.272 src/sys/kern/tty.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
